$ git clone -n https://src.fedoraproject.org/rpms/perl-IO-Socket-INET6.git /var/lib/mock/f41-build-766324-13472/root/chroot_tmpdir/scmroot/perl-IO-Socket-INET6
Cloning into '/var/lib/mock/f41-build-766324-13472/root/chroot_tmpdir/scmroot/perl-IO-Socket-INET6'...
$ git fetch origin 50c5fdb258c7b6d6bec08effd2b4c75f6f2707ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IO-Socket-INET6
 * [new ref]         50c5fdb258c7b6d6bec08effd2b4c75f6f2707ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50c5fdb Eliminate use of obsolete %patchN syntax (#2283636)